Recent research has revealed important potentiality for MRI in the diagnosis of breast disorders. The review describes the imaging technique, the characterization and value of breast MRI for diseases detection ,and the differentiation of benign from malignant breast diseases. Applied breast MRI correctly enhances the diagnosis of diseases, especially, breast cancer, furthermore, it brings more information to the optimal treatment.

Objective: To evaluate the CT features of renal pseudotumors and the differential diagnosis with renal carcinomas and other benign tumors, emphasis on the origin of pseudotumors and the factors liable to be misdiagnosed.Methods:Unenhanced and enhanced spiral CT findings in 23 cases of renal mass were retrospectively evaluated.13 of them(inflammatory pseudotumor, 5 cases;Xanthogranulomatous pyelonephritis,2 cases;granulomatous inflammation,1 case;liparomphalus hyperplasia,1case;fibroangiolipoid hyperplasia,1 case;adenomyosis,1 case;and hematomas,2 cases) were resected and pathologically confirmed.The others\ were diagnosed by IA-DSA or followed up after the treatment.Results:Most inflammatory and hyperplasia diseases appeared as a solid or solid-cystic heterogeneous mass,with an ill-defined margin;Calcification or fat tissues sometimes could be seen.After intravenous administration of iodinated contrast media,the solid components enhanced mildly or moderately.Cystic components,infiltration of fatty renal capsule and thickening of renal fascia could be seen.Hematomas and aneurysms appeared as isoattenuation to hyperattenuation lesions,with a well-demarcated margin.Aneurysms demonstrated intense enhancement similar to the abdominal aorta.Acute hematomas could enhanced mildly.Conclusion:CT is helpful to the diagnosis and differential diagnosis of renal pseudotumors.

This article is to review the basic principles of renal perfusion in CT and MR,imaging method and perfusion characteristics in kidney diseases.It shows that in addition to the morphologic information,perfusion imaging can also provide functional and metabolic information about the renal neoplasms,which is very helpful for not only the differential diagnosis,but also the evaluation of tumor biological behaviors,it will have a bright future in clinical application.

Objective To evaluate the auxiliary diagnostic ability and applicability of ~(18)F-FDG PET/CT and the LungCare soft-ware of dual source CT in solitary pulmonary nodule(SPN). Methods 28 patients with SPN proved by pathologically were examined by ~(18)F-FDG PET/CT and LungCare software of dual source CT. ~(18)F-FDG PET/CT and LungCare software of dual source CT data were analysed comparatively in terms of the diagnostic accuracy in distinguishing malignant and benign. All data were analyzed for significance by using the χ~2-test,the value of P<0.05 was accepted as significance. Results There were 15 malignant and 9 benign nodules. In evaluating SPN,the diagnostic sensitivity, specificity, accuracy, positive predictive value and negative predictive value were 80.0% ,88.8% ,83.3%,92.3% and 72.7% with ~(18)F-FDG PET/aT respectively,and 93.3% ,77.7% ,87.5%,87.5% and 87.5% with LungCare software, respectively. To evaluate SPN,LungCare software and ~(18)F-FDO PET/CT was not significant difference in accuracy(P>0.05) ,while there were significant differences in sensitivity , specificity , positive and negative predictive value (P< 0.05). The sensitivity and negative predictive values with~(18)F-FDG PET/aT were much better than that with LungCare software, but the specificity and positive predictive values were less than that with LungCare software. Conclusion ~(18)F-FDG PET/CT has certain auxiliary function in distinguishing benign SPN from malignant SPN,it combining with LungCare software , the accuracy of diagnosis can be improved.

Objective To observe the effects of color retention treatment on the preservation of medicinal plant herbariums, film-cover specimens and resin specimens. Methods Seven kinds of medicinal plants with different characters after color retention treatment were made into herbariums, film-cover specimens and resin specimens, and then the preservation results for the above three kinds of medicinal plant specimens with or without color retention treatment were compared. Results Resin and film-cover specimens without color retention treatment had better preservation results than herbariums. All of the three kinds of specimens with color retention treatment had better preservation results for the original color and shape than the specimens without color retention treatment. Conclusion Color retention treatment for the medicinal plants results into higher preservation quality of the herbariums and longer preservation period.

Objective To evaluate the auxiliary diagnostic ability and applicability of the Lung Care software of dualsource CT in the study of solitary pulmonary nodule(SPN). Methods 40 cases with SPN proved by pathologically were examined by dual-source CT. R-MPR and VOI of Lung Care software three-dimension rebuilding image were obtained to analyze imaging features of SPN and compared with routine chest CT. 20 cases had regular visits during 12 months which were divided into three stages to measure the growing speed or doubling time. Results There were 28 cases of malignant nodules and 12 cases of benign nodules in 40 cases of SPN. The accuracy for malignancy of routine chest CT and LungCare software three-dimension rebuilding are 53.57% ,82.14% respectively. The accuracy for benign nodules is 41.67%,83.33% respectively. Both are significant difference (P

Objective: To determine the relation dynamic contrast-enhanced magnetic resonance imaging (MRI) and histologic features and angiogenesis of breast disease. Methods: Forty patients with breast disease, diagnosed by histopathology were reviewed, including imaging and pathological data. Dynamic MRI was performed by a fat-suppressed 3D-FSPGR sequence ,Time-Signal curve was acquired by Functool 2 software, then early-phase enhancement rate and E max , T max were acquired. The mean MVD and VEGF expression of the lesions were measured with immunohistology. Evaluation of inflammatory changes was assessed by histology. Results: The MVD , VEGF expression and inflammatory scores of malignant tumor were significantly higher than that of benign tumor(P0.05), The Time-SI curve between malignant and benign was significant different(P

Objective To investigate the clinical efficacy and value of percutaneous transluminal angioplasty (PTA) in treating arteriosclerosis obliterans (ASO) of lower extremity that shows no visualization of its vascular outflow tract. Methods A total of 19 patients with ASO of lower extremities showing no outflow tract visualization were included in this study. The patients included 11 males and 8 females with a median age of 66 years (48-79 years. The main clinical symptom was rest pain of the leg in all patients; 10 cases had different degrees of foot ulcer and gangrene. Preoperative multi-slice CT angiography and DSA examination were performed in all patents. After PTA, the patients were followed up for 12 months, the changes of the clinical symptoms and signs were recorded. The claudication distance, toe skin temperature, ankle-brachial index (ABI), toe-brachial index (TBI), and CT angiography or color Doppler examination were separately performed before and one, 3, 6 and 12 months after PTA. Results In the 19 patients (38 diseased limbs in total), ASO with no visualization of vascular outflow tract was detected in 54 arteries, 3%), posterior tibial artery (n=18, 33.3%), peroneal artery (n=9, 16.7%) and popliteal artery (n=2, 3.7%). The technical success rate of limb PTA was 89.5%, while the technical success rate of single artery PTA was 85.2%. After PTA, the skin temperature of all the diseased limbs that had been successfully treated was obviously improved, the pain was significantly relieved or disappeared. One, 3, 6 and 12 months after PTA, the claudication distance, toe skin temperature, ABI and TBI were strikingly improved when compared with those determined before PTA (P<0.05). Twelve months after PTA the vascular restenosis rate was 39.5% (15/38), the limb vascular patency rate was 55.3% (21/38), and the limb salvage rate was 81.6%(31/38). Conclusion For the treatment of lower extremities arterial obliterans with obstructed outflow tract, PTA is safe and effective in short-term period. Although its long-term restenosis rate is higher, this technique can effectively control the progress of the disease, relieve the clinical symptoms, and help improve the limb salvage rate of ischemic limbs.

Objective To analyze the malaria control measures and epidemic trend in Hubei Province from 1974 to 2015, so as to provide the evidence for malaria elimination path analysis. Methods The malaria control data in Hubei Province from 1974 to 2015 were collected and analyzed retrospectively by descriptive epidemiological methods. Results The epidemic pro?cess of malaria in Hubei Province was divided into four stages. From 1974 to 1979,it was high prevalence state of malaria,and the average annual incidence was 174.47/10 000. From 1980 to 1999,the main control strategies were to control the infection source and mosquitoes,and the average annual incidence was 17.30/10 000,significantly downward. From 2000 to 2009, through the surveillance of infection sources and controlling malaria outbreaks and strengthening the floating population manage?ment,the average annual incidence was 0.42/10 000. After 2010,followed by the elimination phase of malaria,the incidence continued to decline. In 2013,there was no local infection for the first time. The difference of average annual incidence among above?mentioned stages was statistically significant(χ2=1 254.36,P<0.05). Conclusions The malaria epidemic process in Hubei Provincial experienced the high epidemic stage,sharply drop stage,low incidence phase and the elimination phase. How?ever,the natural factors affecting malaria still exist. Therefore,strengthening the control of imported malaria and surveillance should be the main task in the process of eliminating malaria in the future.

Objective To understand the malaria epidemic situation in Hubei Province from 2010 to 2014,so as to provide the evidence for formulating the effective malaria elimination strategies and measures in this province. Methods The data from the Disease Reporting Information System of Chinese Center for Disease Control and Prevention were collected and analyzed with the descriptive epidemiological method for the epidemiological characteristics of malaria in Hubei Province from 2010 to 2014. Results A total of 997 malaria cases were reported in Hubei Province from 2010 to 2014,there were 618 cases of vivax malaria,352 cases of falciparum malaria,18 cases of Plasmodium ovale infection,and 9 cases of Plasmodium malariae infec?tion. Among all the reported cases,479 were local cases and 518 were imported cases. No local malaria cases were reported from Hubei Province since 2013. The overall imported malaria cases showed a gradual increasing trend from 2010 to 2014,the pro?portion of falciparum malaria increased quite significantly from 2010 to 2014. The malaria cases were mainly distributed in Xiangyang,Wuhan,Xiaogan,Yichang,Jingmen and Suizhou cities,reaching 81.85%of the cases of the whole province. There were 810 male cases and 187 female cases,with a sex ratio of 4.33∶1. The local malaria cases were mainly aged from 40 to 69 years,accounted for 78.29%of the total local cases,and 88.22%(457/518)of the whole local cases were concentrated in 20-49 age groups. The local cases were mainly farmers(67.01%). Among the imported malaria cases,the occupation distribution concentrated mainly on the worker,migrant worker,and farmer(63.90%). Conclusions The local malaria epidemic situation has been effectively controlled in Hubei Province,which reflects the initiative achievements of malaria elimination. However, there are still many imported malaria cases from abroad. Therefore,the imported malaria from abroad still remains the key of ma?laria control in Hubei Province.